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Phenyl Modified Dimethicone BL-261

[INCI/CTFA] Phenyl Trimethicone
Equivalent Brand: Dow Corning 556


Phenyl Modified Dimethicone BL-261

[INCI/CTFA] Phenyl Trimethicone

Equivalent Brand: Dow Corning 556

BL-261 is a phenyl-modified polymethylphenylsiloxane. The product is co-soluble with ethanol and mineral oils. It can provide oxidation resistance, UV protection, gas permeable, softness, smooth, and so on. It can be used in the formulations to improve the functions of cosmetic ingredients. Use as a waterproof additive to reduce the viscosity of the formulation. It can be used in skin care cream/lotion, shaving cream, sun proof, etc. It is also an ideal ingredient for hair care products to improve the glossing.  

Technical Index

AppearanceColorless to Slight yellow transparent fluid
Specific gravity (25℃)0.980-0.995
Refractive index (25℃) 1.4600-1.4690
Viscosity (CS, 25℃)18-27


* Resistant to oxidation

* Good compatibility with organic solvent

* Water resistance

* Easily emulsified



* Excellent hydrophobic and gas permeable properties

* Good anti-stick and anti-tack characteristics

* Provide excellence non-oily, Non-greasy and silky feel


BL-261 can be used in a wide range of personal care applications, such as color cosmetics, skin care, sun care, hair care, and so on.



BL-261 can be emulsified with common emulsifiers and methods. The product is co-soluble with ethanol and mineral oils and has excellent compatibility with other cosmetic ingredients such as isopropyl alcohol, paraffin oil, beeswax, paraffin, and wool oil.

The recommended usage level is 0.5-5%.



The product is supplied in 50Kg plastic pails and 200Kg plastic pails.

Samples are available upon request in bottles.